Archival Resources Details Edwin Thomas Henderson - Records
- Edwin Thomas Henderson - Records
- Broken Hill Proprietary Co Ltd
- Date Range
- 1917 - 1922
Letters patent: improvements in separation of mixed metallic sulphides 1917, improvements in concentration of oxidised sulphides ores by flotation 1922; licences to BHP Co. Ltd to use patents 1917 and 1922.
- Available for reference